Home / 5,319.04-7,990.08-4,347.52

Finding the Fourth Proportional to 5,319.04, 7,990.08 and 4,347.52

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Solution

The fourth proportional to 5,319.04, 7,990.08 and 4,347.52 is: 6,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.04 : 7,990.08 = 4,347.52 : x
  2. Step 2: Convert to fraction form
    5,319.04/7,990.08 = 4,347.52/x
  3. Step 3: Cross multiply
    5,319.04x = 7,990.08 × 4,347.52
  4. Step 4: Simplify right side
    5,319.04x = 34,737,032.60
  5. Step 5: Solve for x
    x = 34,737,032.60/5,319.04
  6. Step 6: Final answer
    x = 6,530.70

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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.