Home / 8,055.77-11,117.02-4,421.79

Finding the Fourth Proportional to 8,055.77, 11,117.02 and 4,421.79

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Solution

The fourth proportional to 8,055.77, 11,117.02 and 4,421.79 is: 6,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.77 : 11,117.02 = 4,421.79 : x
  2. Step 2: Convert to fraction form
    8,055.77/11,117.02 = 4,421.79/x
  3. Step 3: Cross multiply
    8,055.77x = 11,117.02 × 4,421.79
  4. Step 4: Simplify right side
    8,055.77x = 49,157,127.87
  5. Step 5: Solve for x
    x = 49,157,127.87/8,055.77
  6. Step 6: Final answer
    x = 6,102.10

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.