Home / 7,744.32-10,691.58-5,099.40

Finding the Fourth Proportional to 7,744.32, 10,691.58 and 5,099.40

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Solution

The fourth proportional to 7,744.32, 10,691.58 and 5,099.40 is: 7,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.32 : 10,691.58 = 5,099.40 : x
  2. Step 2: Convert to fraction form
    7,744.32/10,691.58 = 5,099.40/x
  3. Step 3: Cross multiply
    7,744.32x = 10,691.58 × 5,099.40
  4. Step 4: Simplify right side
    7,744.32x = 54,520,643.05
  5. Step 5: Solve for x
    x = 54,520,643.05/7,744.32
  6. Step 6: Final answer
    x = 7,040.08

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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.