Home / 7,249.60-10,880.51-2,870.13

Finding the Fourth Proportional to 7,249.60, 10,880.51 and 2,870.13

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Solution

The fourth proportional to 7,249.60, 10,880.51 and 2,870.13 is: 4,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.60 : 10,880.51 = 2,870.13 : x
  2. Step 2: Convert to fraction form
    7,249.60/10,880.51 = 2,870.13/x
  3. Step 3: Cross multiply
    7,249.60x = 10,880.51 × 2,870.13
  4. Step 4: Simplify right side
    7,249.60x = 31,228,478.17
  5. Step 5: Solve for x
    x = 31,228,478.17/7,249.60
  6. Step 6: Final answer
    x = 4,307.61

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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.