Home / 6,631.78-9,153.06-4,645.24

Finding the Fourth Proportional to 6,631.78, 9,153.06 and 4,645.24

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Solution

The fourth proportional to 6,631.78, 9,153.06 and 4,645.24 is: 6,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.78 : 9,153.06 = 4,645.24 : x
  2. Step 2: Convert to fraction form
    6,631.78/9,153.06 = 4,645.24/x
  3. Step 3: Cross multiply
    6,631.78x = 9,153.06 × 4,645.24
  4. Step 4: Simplify right side
    6,631.78x = 42,518,160.43
  5. Step 5: Solve for x
    x = 42,518,160.43/6,631.78
  6. Step 6: Final answer
    x = 6,411.27

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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.