Home / 7,319.50-10,980.63-2,937.30

Finding the Fourth Proportional to 7,319.50, 10,980.63 and 2,937.30

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Solution

The fourth proportional to 7,319.50, 10,980.63 and 2,937.30 is: 4,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.50 : 10,980.63 = 2,937.30 : x
  2. Step 2: Convert to fraction form
    7,319.50/10,980.63 = 2,937.30/x
  3. Step 3: Cross multiply
    7,319.50x = 10,980.63 × 2,937.30
  4. Step 4: Simplify right side
    7,319.50x = 32,253,404.50
  5. Step 5: Solve for x
    x = 32,253,404.50/7,319.50
  6. Step 6: Final answer
    x = 4,406.50

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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.