Home / 7,512.89-10,370.25-5,275.32

Finding the Fourth Proportional to 7,512.89, 10,370.25 and 5,275.32

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Solution

The fourth proportional to 7,512.89, 10,370.25 and 5,275.32 is: 7,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.89 : 10,370.25 = 5,275.32 : x
  2. Step 2: Convert to fraction form
    7,512.89/10,370.25 = 5,275.32/x
  3. Step 3: Cross multiply
    7,512.89x = 10,370.25 × 5,275.32
  4. Step 4: Simplify right side
    7,512.89x = 54,706,360.85
  5. Step 5: Solve for x
    x = 54,706,360.85/7,512.89
  6. Step 6: Final answer
    x = 7,281.67

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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.