Home / 8,700.45-13,047.57-3,152.37

Finding the Fourth Proportional to 8,700.45, 13,047.57 and 3,152.37

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Solution

The fourth proportional to 8,700.45, 13,047.57 and 3,152.37 is: 4,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.45 : 13,047.57 = 3,152.37 : x
  2. Step 2: Convert to fraction form
    8,700.45/13,047.57 = 3,152.37/x
  3. Step 3: Cross multiply
    8,700.45x = 13,047.57 × 3,152.37
  4. Step 4: Simplify right side
    8,700.45x = 41,130,768.24
  5. Step 5: Solve for x
    x = 41,130,768.24/8,700.45
  6. Step 6: Final answer
    x = 4,727.43

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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.