Home / 5,319.04-7,973.28-3,124.80

Finding the Fourth Proportional to 5,319.04, 7,973.28 and 3,124.80

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Solution

The fourth proportional to 5,319.04, 7,973.28 and 3,124.80 is: 4,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.04 : 7,973.28 = 3,124.80 : x
  2. Step 2: Convert to fraction form
    5,319.04/7,973.28 = 3,124.80/x
  3. Step 3: Cross multiply
    5,319.04x = 7,973.28 × 3,124.80
  4. Step 4: Simplify right side
    5,319.04x = 24,914,905.34
  5. Step 5: Solve for x
    x = 24,914,905.34/5,319.04
  6. Step 6: Final answer
    x = 4,684.10

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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.