Home / 7,275.36-10,040.88-4,132.32

Finding the Fourth Proportional to 7,275.36, 10,040.88 and 4,132.32

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Solution

The fourth proportional to 7,275.36, 10,040.88 and 4,132.32 is: 5,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.36 : 10,040.88 = 4,132.32 : x
  2. Step 2: Convert to fraction form
    7,275.36/10,040.88 = 4,132.32/x
  3. Step 3: Cross multiply
    7,275.36x = 10,040.88 × 4,132.32
  4. Step 4: Simplify right side
    7,275.36x = 41,492,129.24
  5. Step 5: Solve for x
    x = 41,492,129.24/7,275.36
  6. Step 6: Final answer
    x = 5,703.10

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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.