Home / 5,402.16-7,451.28-3,307.32

Finding the Fourth Proportional to 5,402.16, 7,451.28 and 3,307.32

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Solution

The fourth proportional to 5,402.16, 7,451.28 and 3,307.32 is: 4,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.16 : 7,451.28 = 3,307.32 : x
  2. Step 2: Convert to fraction form
    5,402.16/7,451.28 = 3,307.32/x
  3. Step 3: Cross multiply
    5,402.16x = 7,451.28 × 3,307.32
  4. Step 4: Simplify right side
    5,402.16x = 24,643,767.37
  5. Step 5: Solve for x
    x = 24,643,767.37/5,402.16
  6. Step 6: Final answer
    x = 4,561.84

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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.