Home / 7,724.04-10,654.38-4,578

Finding the Fourth Proportional to 7,724.04, 10,654.38 and 4,578

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Solution

The fourth proportional to 7,724.04, 10,654.38 and 4,578 is: 6,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.04 : 10,654.38 = 4,578 : x
  2. Step 2: Convert to fraction form
    7,724.04/10,654.38 = 4,578/x
  3. Step 3: Cross multiply
    7,724.04x = 10,654.38 × 4,578
  4. Step 4: Simplify right side
    7,724.04x = 48,775,751.64
  5. Step 5: Solve for x
    x = 48,775,751.64/7,724.04
  6. Step 6: Final answer
    x = 6,314.80

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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.