Home / 7,352.40-10,145.88-5,486.16

Finding the Fourth Proportional to 7,352.40, 10,145.88 and 5,486.16

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Solution

The fourth proportional to 7,352.40, 10,145.88 and 5,486.16 is: 7,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.40 : 10,145.88 = 5,486.16 : x
  2. Step 2: Convert to fraction form
    7,352.40/10,145.88 = 5,486.16/x
  3. Step 3: Cross multiply
    7,352.40x = 10,145.88 × 5,486.16
  4. Step 4: Simplify right side
    7,352.40x = 55,661,921.02
  5. Step 5: Solve for x
    x = 55,661,921.02/7,352.40
  6. Step 6: Final answer
    x = 7,570.58

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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.