Home / 4,386-6,055.38-2,816.86

Finding the Fourth Proportional to 4,386, 6,055.38 and 2,816.86

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Solution

The fourth proportional to 4,386, 6,055.38 and 2,816.86 is: 3,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386 : 6,055.38 = 2,816.86 : x
  2. Step 2: Convert to fraction form
    4,386/6,055.38 = 2,816.86/x
  3. Step 3: Cross multiply
    4,386x = 6,055.38 × 2,816.86
  4. Step 4: Simplify right side
    4,386x = 17,057,157.71
  5. Step 5: Solve for x
    x = 17,057,157.71/4,386
  6. Step 6: Final answer
    x = 3,889.00

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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.