Home / 5,225.16-7,838.19-1,329.57

Finding the Fourth Proportional to 5,225.16, 7,838.19 and 1,329.57

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Solution

The fourth proportional to 5,225.16, 7,838.19 and 1,329.57 is: 1,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.16 : 7,838.19 = 1,329.57 : x
  2. Step 2: Convert to fraction form
    5,225.16/7,838.19 = 1,329.57/x
  3. Step 3: Cross multiply
    5,225.16x = 7,838.19 × 1,329.57
  4. Step 4: Simplify right side
    5,225.16x = 10,421,422.28
  5. Step 5: Solve for x
    x = 10,421,422.28/5,225.16
  6. Step 6: Final answer
    x = 1,994.47

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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.