Home / 5,488.05-7,573.43-3,130.23

Finding the Fourth Proportional to 5,488.05, 7,573.43 and 3,130.23

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Solution

The fourth proportional to 5,488.05, 7,573.43 and 3,130.23 is: 4,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.05 : 7,573.43 = 3,130.23 : x
  2. Step 2: Convert to fraction form
    5,488.05/7,573.43 = 3,130.23/x
  3. Step 3: Cross multiply
    5,488.05x = 7,573.43 × 3,130.23
  4. Step 4: Simplify right side
    5,488.05x = 23,706,585.61
  5. Step 5: Solve for x
    x = 23,706,585.61/5,488.05
  6. Step 6: Final answer
    x = 4,319.67

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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.