Home / 6,445.17-8,894.52-3,612.51

Finding the Fourth Proportional to 6,445.17, 8,894.52 and 3,612.51

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Solution

The fourth proportional to 6,445.17, 8,894.52 and 3,612.51 is: 4,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.17 : 8,894.52 = 3,612.51 : x
  2. Step 2: Convert to fraction form
    6,445.17/8,894.52 = 3,612.51/x
  3. Step 3: Cross multiply
    6,445.17x = 8,894.52 × 3,612.51
  4. Step 4: Simplify right side
    6,445.17x = 32,131,542.45
  5. Step 5: Solve for x
    x = 32,131,542.45/6,445.17
  6. Step 6: Final answer
    x = 4,985.37

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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.