Home / 8,658.36-13,010.98-4,712.53

Finding the Fourth Proportional to 8,658.36, 13,010.98 and 4,712.53

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Solution

The fourth proportional to 8,658.36, 13,010.98 and 4,712.53 is: 7,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.36 : 13,010.98 = 4,712.53 : x
  2. Step 2: Convert to fraction form
    8,658.36/13,010.98 = 4,712.53/x
  3. Step 3: Cross multiply
    8,658.36x = 13,010.98 × 4,712.53
  4. Step 4: Simplify right side
    8,658.36x = 61,314,633.58
  5. Step 5: Solve for x
    x = 61,314,633.58/8,658.36
  6. Step 6: Final answer
    x = 7,081.55

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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.