Home / 8,470.53-11,685.40-5,487.37

Finding the Fourth Proportional to 8,470.53, 11,685.40 and 5,487.37

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Solution

The fourth proportional to 8,470.53, 11,685.40 and 5,487.37 is: 7,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.53 : 11,685.40 = 5,487.37 : x
  2. Step 2: Convert to fraction form
    8,470.53/11,685.40 = 5,487.37/x
  3. Step 3: Cross multiply
    8,470.53x = 11,685.40 × 5,487.37
  4. Step 4: Simplify right side
    8,470.53x = 64,122,085.96
  5. Step 5: Solve for x
    x = 64,122,085.96/8,470.53
  6. Step 6: Final answer
    x = 7,570.02

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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.