Home / 4,689.18-6,470.91-2,699.46

Finding the Fourth Proportional to 4,689.18, 6,470.91 and 2,699.46

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Solution

The fourth proportional to 4,689.18, 6,470.91 and 2,699.46 is: 3,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.18 : 6,470.91 = 2,699.46 : x
  2. Step 2: Convert to fraction form
    4,689.18/6,470.91 = 2,699.46/x
  3. Step 3: Cross multiply
    4,689.18x = 6,470.91 × 2,699.46
  4. Step 4: Simplify right side
    4,689.18x = 17,467,962.71
  5. Step 5: Solve for x
    x = 17,467,962.71/4,689.18
  6. Step 6: Final answer
    x = 3,725.16

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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.