Home / 9,912.02-14,864.58-2,890.10

Finding the Fourth Proportional to 9,912.02, 14,864.58 and 2,890.10

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Solution

The fourth proportional to 9,912.02, 14,864.58 and 2,890.10 is: 4,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.02 : 14,864.58 = 2,890.10 : x
  2. Step 2: Convert to fraction form
    9,912.02/14,864.58 = 2,890.10/x
  3. Step 3: Cross multiply
    9,912.02x = 14,864.58 × 2,890.10
  4. Step 4: Simplify right side
    9,912.02x = 42,960,122.66
  5. Step 5: Solve for x
    x = 42,960,122.66/9,912.02
  6. Step 6: Final answer
    x = 4,334.14

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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.