Home / 8,172.51-11,277.57-4,587.20

Finding the Fourth Proportional to 8,172.51, 11,277.57 and 4,587.20

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Solution

The fourth proportional to 8,172.51, 11,277.57 and 4,587.20 is: 6,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.51 : 11,277.57 = 4,587.20 : x
  2. Step 2: Convert to fraction form
    8,172.51/11,277.57 = 4,587.20/x
  3. Step 3: Cross multiply
    8,172.51x = 11,277.57 × 4,587.20
  4. Step 4: Simplify right side
    8,172.51x = 51,732,412.72
  5. Step 5: Solve for x
    x = 51,732,412.72/8,172.51
  6. Step 6: Final answer
    x = 6,330.05

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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.