Home / 5,437.80-8,144.55-4,465.80

Finding the Fourth Proportional to 5,437.80, 8,144.55 and 4,465.80

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Solution

The fourth proportional to 5,437.80, 8,144.55 and 4,465.80 is: 6,688.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.80 : 8,144.55 = 4,465.80 : x
  2. Step 2: Convert to fraction form
    5,437.80/8,144.55 = 4,465.80/x
  3. Step 3: Cross multiply
    5,437.80x = 8,144.55 × 4,465.80
  4. Step 4: Simplify right side
    5,437.80x = 36,371,931.39
  5. Step 5: Solve for x
    x = 36,371,931.39/5,437.80
  6. Step 6: Final answer
    x = 6,688.72

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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.