Home / 6,543.05-9,030.96-4,026.78

Finding the Fourth Proportional to 6,543.05, 9,030.96 and 4,026.78

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Solution

The fourth proportional to 6,543.05, 9,030.96 and 4,026.78 is: 5,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.05 : 9,030.96 = 4,026.78 : x
  2. Step 2: Convert to fraction form
    6,543.05/9,030.96 = 4,026.78/x
  3. Step 3: Cross multiply
    6,543.05x = 9,030.96 × 4,026.78
  4. Step 4: Simplify right side
    6,543.05x = 36,365,689.11
  5. Step 5: Solve for x
    x = 36,365,689.11/6,543.05
  6. Step 6: Final answer
    x = 5,557.92

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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.