Home / 6,470.40-9,705.60-2,574.30

Finding the Fourth Proportional to 6,470.40, 9,705.60 and 2,574.30

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Solution

The fourth proportional to 6,470.40, 9,705.60 and 2,574.30 is: 3,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.40 : 9,705.60 = 2,574.30 : x
  2. Step 2: Convert to fraction form
    6,470.40/9,705.60 = 2,574.30/x
  3. Step 3: Cross multiply
    6,470.40x = 9,705.60 × 2,574.30
  4. Step 4: Simplify right side
    6,470.40x = 24,985,126.08
  5. Step 5: Solve for x
    x = 24,985,126.08/6,470.40
  6. Step 6: Final answer
    x = 3,861.45

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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.