Home / 5,320.30-7,984.90-4,705.50

Finding the Fourth Proportional to 5,320.30, 7,984.90 and 4,705.50

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Solution

The fourth proportional to 5,320.30, 7,984.90 and 4,705.50 is: 7,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.30 : 7,984.90 = 4,705.50 : x
  2. Step 2: Convert to fraction form
    5,320.30/7,984.90 = 4,705.50/x
  3. Step 3: Cross multiply
    5,320.30x = 7,984.90 × 4,705.50
  4. Step 4: Simplify right side
    5,320.30x = 37,572,946.95
  5. Step 5: Solve for x
    x = 37,572,946.95/5,320.30
  6. Step 6: Final answer
    x = 7,062.19

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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.