Home / 5,564.32-7,637.87-4,920.76

Finding the Fourth Proportional to 5,564.32, 7,637.87 and 4,920.76

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Solution

The fourth proportional to 5,564.32, 7,637.87 and 4,920.76 is: 6,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.32 : 7,637.87 = 4,920.76 : x
  2. Step 2: Convert to fraction form
    5,564.32/7,637.87 = 4,920.76/x
  3. Step 3: Cross multiply
    5,564.32x = 7,637.87 × 4,920.76
  4. Step 4: Simplify right side
    5,564.32x = 37,584,125.18
  5. Step 5: Solve for x
    x = 37,584,125.18/5,564.32
  6. Step 6: Final answer
    x = 6,754.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.