Home / 8,801.18-12,145.64-5,264.39

Finding the Fourth Proportional to 8,801.18, 12,145.64 and 5,264.39

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Solution

The fourth proportional to 8,801.18, 12,145.64 and 5,264.39 is: 7,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.18 : 12,145.64 = 5,264.39 : x
  2. Step 2: Convert to fraction form
    8,801.18/12,145.64 = 5,264.39/x
  3. Step 3: Cross multiply
    8,801.18x = 12,145.64 × 5,264.39
  4. Step 4: Simplify right side
    8,801.18x = 63,939,298.71
  5. Step 5: Solve for x
    x = 63,939,298.71/8,801.18
  6. Step 6: Final answer
    x = 7,264.86

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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.