Home / 7,479.07-10,320.28-4,291.52

Finding the Fourth Proportional to 7,479.07, 10,320.28 and 4,291.52

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Solution

The fourth proportional to 7,479.07, 10,320.28 and 4,291.52 is: 5,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.07 : 10,320.28 = 4,291.52 : x
  2. Step 2: Convert to fraction form
    7,479.07/10,320.28 = 4,291.52/x
  3. Step 3: Cross multiply
    7,479.07x = 10,320.28 × 4,291.52
  4. Step 4: Simplify right side
    7,479.07x = 44,289,625.70
  5. Step 5: Solve for x
    x = 44,289,625.70/7,479.07
  6. Step 6: Final answer
    x = 5,921.81

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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.