Home / 5,680.24-8,521.16-1,981.93

Finding the Fourth Proportional to 5,680.24, 8,521.16 and 1,981.93

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Solution

The fourth proportional to 5,680.24, 8,521.16 and 1,981.93 is: 2,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.24 : 8,521.16 = 1,981.93 : x
  2. Step 2: Convert to fraction form
    5,680.24/8,521.16 = 1,981.93/x
  3. Step 3: Cross multiply
    5,680.24x = 8,521.16 × 1,981.93
  4. Step 4: Simplify right side
    5,680.24x = 16,888,342.64
  5. Step 5: Solve for x
    x = 16,888,342.64/5,680.24
  6. Step 6: Final answer
    x = 2,973.17

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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.