Home / 7,577.07-10,454.76-4,390.17

Finding the Fourth Proportional to 7,577.07, 10,454.76 and 4,390.17

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Solution

The fourth proportional to 7,577.07, 10,454.76 and 4,390.17 is: 6,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.07 : 10,454.76 = 4,390.17 : x
  2. Step 2: Convert to fraction form
    7,577.07/10,454.76 = 4,390.17/x
  3. Step 3: Cross multiply
    7,577.07x = 10,454.76 × 4,390.17
  4. Step 4: Simplify right side
    7,577.07x = 45,898,173.71
  5. Step 5: Solve for x
    x = 45,898,173.71/7,577.07
  6. Step 6: Final answer
    x = 6,057.51

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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.