Home / 5,612.24-8,419.32-1,715.76

Finding the Fourth Proportional to 5,612.24, 8,419.32 and 1,715.76

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Solution

The fourth proportional to 5,612.24, 8,419.32 and 1,715.76 is: 2,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.24 : 8,419.32 = 1,715.76 : x
  2. Step 2: Convert to fraction form
    5,612.24/8,419.32 = 1,715.76/x
  3. Step 3: Cross multiply
    5,612.24x = 8,419.32 × 1,715.76
  4. Step 4: Simplify right side
    5,612.24x = 14,445,532.48
  5. Step 5: Solve for x
    x = 14,445,532.48/5,612.24
  6. Step 6: Final answer
    x = 2,573.93

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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.