Home / 9,267.17-12,787.47-5,288.05

Finding the Fourth Proportional to 9,267.17, 12,787.47 and 5,288.05

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Solution

The fourth proportional to 9,267.17, 12,787.47 and 5,288.05 is: 7,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.17 : 12,787.47 = 5,288.05 : x
  2. Step 2: Convert to fraction form
    9,267.17/12,787.47 = 5,288.05/x
  3. Step 3: Cross multiply
    9,267.17x = 12,787.47 × 5,288.05
  4. Step 4: Simplify right side
    9,267.17x = 67,620,748.76
  5. Step 5: Solve for x
    x = 67,620,748.76/9,267.17
  6. Step 6: Final answer
    x = 7,296.80

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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.