Home / 7,432.32-10,256.56-4,075.12

Finding the Fourth Proportional to 7,432.32, 10,256.56 and 4,075.12

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Solution

The fourth proportional to 7,432.32, 10,256.56 and 4,075.12 is: 5,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.32 : 10,256.56 = 4,075.12 : x
  2. Step 2: Convert to fraction form
    7,432.32/10,256.56 = 4,075.12/x
  3. Step 3: Cross multiply
    7,432.32x = 10,256.56 × 4,075.12
  4. Step 4: Simplify right side
    7,432.32x = 41,796,712.79
  5. Step 5: Solve for x
    x = 41,796,712.79/7,432.32
  6. Step 6: Final answer
    x = 5,623.64

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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.