Home / 7,515.60-10,368.03-4,863.86

Finding the Fourth Proportional to 7,515.60, 10,368.03 and 4,863.86

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Solution

The fourth proportional to 7,515.60, 10,368.03 and 4,863.86 is: 6,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.60 : 10,368.03 = 4,863.86 : x
  2. Step 2: Convert to fraction form
    7,515.60/10,368.03 = 4,863.86/x
  3. Step 3: Cross multiply
    7,515.60x = 10,368.03 × 4,863.86
  4. Step 4: Simplify right side
    7,515.60x = 50,428,646.40
  5. Step 5: Solve for x
    x = 50,428,646.40/7,515.60
  6. Step 6: Final answer
    x = 6,709.86

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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.