Home / 9,347.27-12,898.64-5,155.61

Finding the Fourth Proportional to 9,347.27, 12,898.64 and 5,155.61

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Solution

The fourth proportional to 9,347.27, 12,898.64 and 5,155.61 is: 7,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,347.27 : 12,898.64 = 5,155.61 : x
  2. Step 2: Convert to fraction form
    9,347.27/12,898.64 = 5,155.61/x
  3. Step 3: Cross multiply
    9,347.27x = 12,898.64 × 5,155.61
  4. Step 4: Simplify right side
    9,347.27x = 66,500,305.77
  5. Step 5: Solve for x
    x = 66,500,305.77/9,347.27
  6. Step 6: Final answer
    x = 7,114.41

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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.