Home / 7,357.31-10,153.28-4,000.35

Finding the Fourth Proportional to 7,357.31, 10,153.28 and 4,000.35

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Solution

The fourth proportional to 7,357.31, 10,153.28 and 4,000.35 is: 5,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.31 : 10,153.28 = 4,000.35 : x
  2. Step 2: Convert to fraction form
    7,357.31/10,153.28 = 4,000.35/x
  3. Step 3: Cross multiply
    7,357.31x = 10,153.28 × 4,000.35
  4. Step 4: Simplify right side
    7,357.31x = 40,616,683.65
  5. Step 5: Solve for x
    x = 40,616,683.65/7,357.31
  6. Step 6: Final answer
    x = 5,520.59

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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.