Home / 5,509.24-7,603.13-3,151.40

Finding the Fourth Proportional to 5,509.24, 7,603.13 and 3,151.40

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Solution

The fourth proportional to 5,509.24, 7,603.13 and 3,151.40 is: 4,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.24 : 7,603.13 = 3,151.40 : x
  2. Step 2: Convert to fraction form
    5,509.24/7,603.13 = 3,151.40/x
  3. Step 3: Cross multiply
    5,509.24x = 7,603.13 × 3,151.40
  4. Step 4: Simplify right side
    5,509.24x = 23,960,473.74
  5. Step 5: Solve for x
    x = 23,960,473.74/5,509.24
  6. Step 6: Final answer
    x = 4,349.15

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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.