Home / 7,156.32-10,732.84-1,962.60

Finding the Fourth Proportional to 7,156.32, 10,732.84 and 1,962.60

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Solution

The fourth proportional to 7,156.32, 10,732.84 and 1,962.60 is: 2,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.32 : 10,732.84 = 1,962.60 : x
  2. Step 2: Convert to fraction form
    7,156.32/10,732.84 = 1,962.60/x
  3. Step 3: Cross multiply
    7,156.32x = 10,732.84 × 1,962.60
  4. Step 4: Simplify right side
    7,156.32x = 21,064,271.78
  5. Step 5: Solve for x
    x = 21,064,271.78/7,156.32
  6. Step 6: Final answer
    x = 2,943.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.