Home / 7,153.74-9,872.55-4,010.58

Finding the Fourth Proportional to 7,153.74, 9,872.55 and 4,010.58

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Solution

The fourth proportional to 7,153.74, 9,872.55 and 4,010.58 is: 5,534.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.74 : 9,872.55 = 4,010.58 : x
  2. Step 2: Convert to fraction form
    7,153.74/9,872.55 = 4,010.58/x
  3. Step 3: Cross multiply
    7,153.74x = 9,872.55 × 4,010.58
  4. Step 4: Simplify right side
    7,153.74x = 39,594,651.58
  5. Step 5: Solve for x
    x = 39,594,651.58/7,153.74
  6. Step 6: Final answer
    x = 5,534.82

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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.