Home / 6,470.26-9,698.65-4,390.45

Finding the Fourth Proportional to 6,470.26, 9,698.65 and 4,390.45

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Solution

The fourth proportional to 6,470.26, 9,698.65 and 4,390.45 is: 6,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.26 : 9,698.65 = 4,390.45 : x
  2. Step 2: Convert to fraction form
    6,470.26/9,698.65 = 4,390.45/x
  3. Step 3: Cross multiply
    6,470.26x = 9,698.65 × 4,390.45
  4. Step 4: Simplify right side
    6,470.26x = 42,581,402.67
  5. Step 5: Solve for x
    x = 42,581,402.67/6,470.26
  6. Step 6: Final answer
    x = 6,581.10

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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.