Home / 6,470.40-8,930.08-3,676.16

Finding the Fourth Proportional to 6,470.40, 8,930.08 and 3,676.16

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Solution

The fourth proportional to 6,470.40, 8,930.08 and 3,676.16 is: 5,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.40 : 8,930.08 = 3,676.16 : x
  2. Step 2: Convert to fraction form
    6,470.40/8,930.08 = 3,676.16/x
  3. Step 3: Cross multiply
    6,470.40x = 8,930.08 × 3,676.16
  4. Step 4: Simplify right side
    6,470.40x = 32,828,402.89
  5. Step 5: Solve for x
    x = 32,828,402.89/6,470.40
  6. Step 6: Final answer
    x = 5,073.63

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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.