Home / 7,772.50-11,654.63-5,697.58

Finding the Fourth Proportional to 7,772.50, 11,654.63 and 5,697.58

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Solution

The fourth proportional to 7,772.50, 11,654.63 and 5,697.58 is: 8,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.50 : 11,654.63 = 5,697.58 : x
  2. Step 2: Convert to fraction form
    7,772.50/11,654.63 = 5,697.58/x
  3. Step 3: Cross multiply
    7,772.50x = 11,654.63 × 5,697.58
  4. Step 4: Simplify right side
    7,772.50x = 66,403,128.52
  5. Step 5: Solve for x
    x = 66,403,128.52/7,772.50
  6. Step 6: Final answer
    x = 8,543.35

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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.