Home / 7,983.57-11,023.79-5,152.35

Finding the Fourth Proportional to 7,983.57, 11,023.79 and 5,152.35

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Solution

The fourth proportional to 7,983.57, 11,023.79 and 5,152.35 is: 7,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.57 : 11,023.79 = 5,152.35 : x
  2. Step 2: Convert to fraction form
    7,983.57/11,023.79 = 5,152.35/x
  3. Step 3: Cross multiply
    7,983.57x = 11,023.79 × 5,152.35
  4. Step 4: Simplify right side
    7,983.57x = 56,798,424.41
  5. Step 5: Solve for x
    x = 56,798,424.41/7,983.57
  6. Step 6: Final answer
    x = 7,114.41

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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.