Home / 7,505.89-10,355.51-4,671.61

Finding the Fourth Proportional to 7,505.89, 10,355.51 and 4,671.61

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Solution

The fourth proportional to 7,505.89, 10,355.51 and 4,671.61 is: 6,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.89 : 10,355.51 = 4,671.61 : x
  2. Step 2: Convert to fraction form
    7,505.89/10,355.51 = 4,671.61/x
  3. Step 3: Cross multiply
    7,505.89x = 10,355.51 × 4,671.61
  4. Step 4: Simplify right side
    7,505.89x = 48,376,889.86
  5. Step 5: Solve for x
    x = 48,376,889.86/7,505.89
  6. Step 6: Final answer
    x = 6,445.19

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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.