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Finding the Fourth Proportional to 6,362.55, 9,543.96 and 1,980.18

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Solution

The fourth proportional to 6,362.55, 9,543.96 and 1,980.18 is: 2,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.55 : 9,543.96 = 1,980.18 : x
  2. Step 2: Convert to fraction form
    6,362.55/9,543.96 = 1,980.18/x
  3. Step 3: Cross multiply
    6,362.55x = 9,543.96 × 1,980.18
  4. Step 4: Simplify right side
    6,362.55x = 18,898,758.71
  5. Step 5: Solve for x
    x = 18,898,758.71/6,362.55
  6. Step 6: Final answer
    x = 2,970.31

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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.