Home / 9,010.32-13,488.84-5,102.88

Finding the Fourth Proportional to 9,010.32, 13,488.84 and 5,102.88

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Solution

The fourth proportional to 9,010.32, 13,488.84 and 5,102.88 is: 7,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.32 : 13,488.84 = 5,102.88 : x
  2. Step 2: Convert to fraction form
    9,010.32/13,488.84 = 5,102.88/x
  3. Step 3: Cross multiply
    9,010.32x = 13,488.84 × 5,102.88
  4. Step 4: Simplify right side
    9,010.32x = 68,831,931.86
  5. Step 5: Solve for x
    x = 68,831,931.86/9,010.32
  6. Step 6: Final answer
    x = 7,639.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.