Home / 4,727.88-6,554.12-4,543.20

Finding the Fourth Proportional to 4,727.88, 6,554.12 and 4,543.20

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Solution

The fourth proportional to 4,727.88, 6,554.12 and 4,543.20 is: 6,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.88 : 6,554.12 = 4,543.20 : x
  2. Step 2: Convert to fraction form
    4,727.88/6,554.12 = 4,543.20/x
  3. Step 3: Cross multiply
    4,727.88x = 6,554.12 × 4,543.20
  4. Step 4: Simplify right side
    4,727.88x = 29,776,655.27
  5. Step 5: Solve for x
    x = 29,776,655.27/4,727.88
  6. Step 6: Final answer
    x = 6,298.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.