Home / 8,501.28-11,731.47-4,916.22

Finding the Fourth Proportional to 8,501.28, 11,731.47 and 4,916.22

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Solution

The fourth proportional to 8,501.28, 11,731.47 and 4,916.22 is: 6,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.28 : 11,731.47 = 4,916.22 : x
  2. Step 2: Convert to fraction form
    8,501.28/11,731.47 = 4,916.22/x
  3. Step 3: Cross multiply
    8,501.28x = 11,731.47 × 4,916.22
  4. Step 4: Simplify right side
    8,501.28x = 57,674,487.44
  5. Step 5: Solve for x
    x = 57,674,487.44/8,501.28
  6. Step 6: Final answer
    x = 6,784.21

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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.