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Finding the Fourth Proportional to 6,470.01, 9,698.27 and 4,390.20

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Solution

The fourth proportional to 6,470.01, 9,698.27 and 4,390.20 is: 6,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.01 : 9,698.27 = 4,390.20 : x
  2. Step 2: Convert to fraction form
    6,470.01/9,698.27 = 4,390.20/x
  3. Step 3: Cross multiply
    6,470.01x = 9,698.27 × 4,390.20
  4. Step 4: Simplify right side
    6,470.01x = 42,577,296.46
  5. Step 5: Solve for x
    x = 42,577,296.46/6,470.01
  6. Step 6: Final answer
    x = 6,580.72

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1.5x scale

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.