Home / 6,545.22-9,029.88-4,656.21

Finding the Fourth Proportional to 6,545.22, 9,029.88 and 4,656.21

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Solution

The fourth proportional to 6,545.22, 9,029.88 and 4,656.21 is: 6,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.22 : 9,029.88 = 4,656.21 : x
  2. Step 2: Convert to fraction form
    6,545.22/9,029.88 = 4,656.21/x
  3. Step 3: Cross multiply
    6,545.22x = 9,029.88 × 4,656.21
  4. Step 4: Simplify right side
    6,545.22x = 42,045,017.55
  5. Step 5: Solve for x
    x = 42,045,017.55/6,545.22
  6. Step 6: Final answer
    x = 6,423.77

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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.