Home / 8,642.45-12,962.23-2,401.60

Finding the Fourth Proportional to 8,642.45, 12,962.23 and 2,401.60

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Solution

The fourth proportional to 8,642.45, 12,962.23 and 2,401.60 is: 3,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642.45 : 12,962.23 = 2,401.60 : x
  2. Step 2: Convert to fraction form
    8,642.45/12,962.23 = 2,401.60/x
  3. Step 3: Cross multiply
    8,642.45x = 12,962.23 × 2,401.60
  4. Step 4: Simplify right side
    8,642.45x = 31,130,077.46
  5. Step 5: Solve for x
    x = 31,130,077.46/8,642.45
  6. Step 6: Final answer
    x = 3,602.00

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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.