Home / 7,658.60-11,480.95-5,319.70

Finding the Fourth Proportional to 7,658.60, 11,480.95 and 5,319.70

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Solution

The fourth proportional to 7,658.60, 11,480.95 and 5,319.70 is: 7,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.60 : 11,480.95 = 5,319.70 : x
  2. Step 2: Convert to fraction form
    7,658.60/11,480.95 = 5,319.70/x
  3. Step 3: Cross multiply
    7,658.60x = 11,480.95 × 5,319.70
  4. Step 4: Simplify right side
    7,658.60x = 61,075,209.72
  5. Step 5: Solve for x
    x = 61,075,209.72/7,658.60
  6. Step 6: Final answer
    x = 7,974.72

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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.