Home / 5,135.04-7,040.16-5,041.62

Finding the Fourth Proportional to 5,135.04, 7,040.16 and 5,041.62

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Solution

The fourth proportional to 5,135.04, 7,040.16 and 5,041.62 is: 6,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.04 : 7,040.16 = 5,041.62 : x
  2. Step 2: Convert to fraction form
    5,135.04/7,040.16 = 5,041.62/x
  3. Step 3: Cross multiply
    5,135.04x = 7,040.16 × 5,041.62
  4. Step 4: Simplify right side
    5,135.04x = 35,493,811.46
  5. Step 5: Solve for x
    x = 35,493,811.46/5,135.04
  6. Step 6: Final answer
    x = 6,912.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.