Home / 9,310.79-12,848.56-5,119.01

Finding the Fourth Proportional to 9,310.79, 12,848.56 and 5,119.01

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Solution

The fourth proportional to 9,310.79, 12,848.56 and 5,119.01 is: 7,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.79 : 12,848.56 = 5,119.01 : x
  2. Step 2: Convert to fraction form
    9,310.79/12,848.56 = 5,119.01/x
  3. Step 3: Cross multiply
    9,310.79x = 12,848.56 × 5,119.01
  4. Step 4: Simplify right side
    9,310.79x = 65,771,907.13
  5. Step 5: Solve for x
    x = 65,771,907.13/9,310.79
  6. Step 6: Final answer
    x = 7,064.05

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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.