Home / 5,360.32-8,030.28-2,578.78

Finding the Fourth Proportional to 5,360.32, 8,030.28 and 2,578.78

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Solution

The fourth proportional to 5,360.32, 8,030.28 and 2,578.78 is: 3,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.32 : 8,030.28 = 2,578.78 : x
  2. Step 2: Convert to fraction form
    5,360.32/8,030.28 = 2,578.78/x
  3. Step 3: Cross multiply
    5,360.32x = 8,030.28 × 2,578.78
  4. Step 4: Simplify right side
    5,360.32x = 20,708,325.46
  5. Step 5: Solve for x
    x = 20,708,325.46/5,360.32
  6. Step 6: Final answer
    x = 3,863.26

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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.