Home / 7,880.17-10,874.50-4,343.71

Finding the Fourth Proportional to 7,880.17, 10,874.50 and 4,343.71

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Solution

The fourth proportional to 7,880.17, 10,874.50 and 4,343.71 is: 5,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.17 : 10,874.50 = 4,343.71 : x
  2. Step 2: Convert to fraction form
    7,880.17/10,874.50 = 4,343.71/x
  3. Step 3: Cross multiply
    7,880.17x = 10,874.50 × 4,343.71
  4. Step 4: Simplify right side
    7,880.17x = 47,235,674.40
  5. Step 5: Solve for x
    x = 47,235,674.40/7,880.17
  6. Step 6: Final answer
    x = 5,994.25

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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.