Home / 4,311.57-6,478.29-2,752.32

Finding the Fourth Proportional to 4,311.57, 6,478.29 and 2,752.32

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Solution

The fourth proportional to 4,311.57, 6,478.29 and 2,752.32 is: 4,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.57 : 6,478.29 = 2,752.32 : x
  2. Step 2: Convert to fraction form
    4,311.57/6,478.29 = 2,752.32/x
  3. Step 3: Cross multiply
    4,311.57x = 6,478.29 × 2,752.32
  4. Step 4: Simplify right side
    4,311.57x = 17,830,327.13
  5. Step 5: Solve for x
    x = 17,830,327.13/4,311.57
  6. Step 6: Final answer
    x = 4,135.46

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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.