Home / 5,113.47-7,670.19-2,339.40

Finding the Fourth Proportional to 5,113.47, 7,670.19 and 2,339.40

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Solution

The fourth proportional to 5,113.47, 7,670.19 and 2,339.40 is: 3,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.47 : 7,670.19 = 2,339.40 : x
  2. Step 2: Convert to fraction form
    5,113.47/7,670.19 = 2,339.40/x
  3. Step 3: Cross multiply
    5,113.47x = 7,670.19 × 2,339.40
  4. Step 4: Simplify right side
    5,113.47x = 17,943,642.49
  5. Step 5: Solve for x
    x = 17,943,642.49/5,113.47
  6. Step 6: Final answer
    x = 3,509.09

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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.