Home / 8,254.61-11,388.58-4,715.31

Finding the Fourth Proportional to 8,254.61, 11,388.58 and 4,715.31

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Solution

The fourth proportional to 8,254.61, 11,388.58 and 4,715.31 is: 6,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.61 : 11,388.58 = 4,715.31 : x
  2. Step 2: Convert to fraction form
    8,254.61/11,388.58 = 4,715.31/x
  3. Step 3: Cross multiply
    8,254.61x = 11,388.58 × 4,715.31
  4. Step 4: Simplify right side
    8,254.61x = 53,700,685.16
  5. Step 5: Solve for x
    x = 53,700,685.16/8,254.61
  6. Step 6: Final answer
    x = 6,505.54

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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.