Home / 7,432.90-10,257.27-4,075.65

Finding the Fourth Proportional to 7,432.90, 10,257.27 and 4,075.65

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Solution

The fourth proportional to 7,432.90, 10,257.27 and 4,075.65 is: 5,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.90 : 10,257.27 = 4,075.65 : x
  2. Step 2: Convert to fraction form
    7,432.90/10,257.27 = 4,075.65/x
  3. Step 3: Cross multiply
    7,432.90x = 10,257.27 × 4,075.65
  4. Step 4: Simplify right side
    7,432.90x = 41,805,027.19
  5. Step 5: Solve for x
    x = 41,805,027.19/7,432.90
  6. Step 6: Final answer
    x = 5,624.32

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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.