Home / 5,378.46-7,425.72-4,386.12

Finding the Fourth Proportional to 5,378.46, 7,425.72 and 4,386.12

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Solution

The fourth proportional to 5,378.46, 7,425.72 and 4,386.12 is: 6,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.46 : 7,425.72 = 4,386.12 : x
  2. Step 2: Convert to fraction form
    5,378.46/7,425.72 = 4,386.12/x
  3. Step 3: Cross multiply
    5,378.46x = 7,425.72 × 4,386.12
  4. Step 4: Simplify right side
    5,378.46x = 32,570,099.01
  5. Step 5: Solve for x
    x = 32,570,099.01/5,378.46
  6. Step 6: Final answer
    x = 6,055.66

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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.