Home / 6,312.32-9,470-1,929.48

Finding the Fourth Proportional to 6,312.32, 9,470 and 1,929.48

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Solution

The fourth proportional to 6,312.32, 9,470 and 1,929.48 is: 2,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.32 : 9,470 = 1,929.48 : x
  2. Step 2: Convert to fraction form
    6,312.32/9,470 = 1,929.48/x
  3. Step 3: Cross multiply
    6,312.32x = 9,470 × 1,929.48
  4. Step 4: Simplify right side
    6,312.32x = 18,272,175.60
  5. Step 5: Solve for x
    x = 18,272,175.60/6,312.32
  6. Step 6: Final answer
    x = 2,894.68

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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.