Home / 8,541.48-11,785.68-6,305.28

Finding the Fourth Proportional to 8,541.48, 11,785.68 and 6,305.28

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Solution

The fourth proportional to 8,541.48, 11,785.68 and 6,305.28 is: 8,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.48 : 11,785.68 = 6,305.28 : x
  2. Step 2: Convert to fraction form
    8,541.48/11,785.68 = 6,305.28/x
  3. Step 3: Cross multiply
    8,541.48x = 11,785.68 × 6,305.28
  4. Step 4: Simplify right side
    8,541.48x = 74,312,012.39
  5. Step 5: Solve for x
    x = 74,312,012.39/8,541.48
  6. Step 6: Final answer
    x = 8,700.13

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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.