Home / 7,345.04-11,002.16-5,777.60

Finding the Fourth Proportional to 7,345.04, 11,002.16 and 5,777.60

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Solution

The fourth proportional to 7,345.04, 11,002.16 and 5,777.60 is: 8,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.04 : 11,002.16 = 5,777.60 : x
  2. Step 2: Convert to fraction form
    7,345.04/11,002.16 = 5,777.60/x
  3. Step 3: Cross multiply
    7,345.04x = 11,002.16 × 5,777.60
  4. Step 4: Simplify right side
    7,345.04x = 63,566,100.94
  5. Step 5: Solve for x
    x = 63,566,100.94/7,345.04
  6. Step 6: Final answer
    x = 8,654.30

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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.