Home / 5,004.79-7,507.49-1,307.14

Finding the Fourth Proportional to 5,004.79, 7,507.49 and 1,307.14

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Solution

The fourth proportional to 5,004.79, 7,507.49 and 1,307.14 is: 1,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.79 : 7,507.49 = 1,307.14 : x
  2. Step 2: Convert to fraction form
    5,004.79/7,507.49 = 1,307.14/x
  3. Step 3: Cross multiply
    5,004.79x = 7,507.49 × 1,307.14
  4. Step 4: Simplify right side
    5,004.79x = 9,813,315.17
  5. Step 5: Solve for x
    x = 9,813,315.17/5,004.79
  6. Step 6: Final answer
    x = 1,960.79

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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.