Home / 5,680.10-8,521.51-2,394.13

Finding the Fourth Proportional to 5,680.10, 8,521.51 and 2,394.13

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Solution

The fourth proportional to 5,680.10, 8,521.51 and 2,394.13 is: 3,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.10 : 8,521.51 = 2,394.13 : x
  2. Step 2: Convert to fraction form
    5,680.10/8,521.51 = 2,394.13/x
  3. Step 3: Cross multiply
    5,680.10x = 8,521.51 × 2,394.13
  4. Step 4: Simplify right side
    5,680.10x = 20,401,602.74
  5. Step 5: Solve for x
    x = 20,401,602.74/5,680.10
  6. Step 6: Final answer
    x = 3,591.77

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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.