Home / 7,641.56-10,539.50-6,581.18

Finding the Fourth Proportional to 7,641.56, 10,539.50 and 6,581.18

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Solution

The fourth proportional to 7,641.56, 10,539.50 and 6,581.18 is: 9,076.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.56 : 10,539.50 = 6,581.18 : x
  2. Step 2: Convert to fraction form
    7,641.56/10,539.50 = 6,581.18/x
  3. Step 3: Cross multiply
    7,641.56x = 10,539.50 × 6,581.18
  4. Step 4: Simplify right side
    7,641.56x = 69,362,346.61
  5. Step 5: Solve for x
    x = 69,362,346.61/7,641.56
  6. Step 6: Final answer
    x = 9,076.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.