Home / 8,708.04-13,064.94-3,515.40

Finding the Fourth Proportional to 8,708.04, 13,064.94 and 3,515.40

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Solution

The fourth proportional to 8,708.04, 13,064.94 and 3,515.40 is: 5,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.04 : 13,064.94 = 3,515.40 : x
  2. Step 2: Convert to fraction form
    8,708.04/13,064.94 = 3,515.40/x
  3. Step 3: Cross multiply
    8,708.04x = 13,064.94 × 3,515.40
  4. Step 4: Simplify right side
    8,708.04x = 45,928,490.08
  5. Step 5: Solve for x
    x = 45,928,490.08/8,708.04
  6. Step 6: Final answer
    x = 5,274.26

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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.