Home / 7,543.86-11,307.57-6,444.90

Finding the Fourth Proportional to 7,543.86, 11,307.57 and 6,444.90

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Solution

The fourth proportional to 7,543.86, 11,307.57 and 6,444.90 is: 9,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.86 : 11,307.57 = 6,444.90 : x
  2. Step 2: Convert to fraction form
    7,543.86/11,307.57 = 6,444.90/x
  3. Step 3: Cross multiply
    7,543.86x = 11,307.57 × 6,444.90
  4. Step 4: Simplify right side
    7,543.86x = 72,876,157.89
  5. Step 5: Solve for x
    x = 72,876,157.89/7,543.86
  6. Step 6: Final answer
    x = 9,660.33

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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.