Home / 5,011.25-7,516.65-1,313.39

Finding the Fourth Proportional to 5,011.25, 7,516.65 and 1,313.39

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Solution

The fourth proportional to 5,011.25, 7,516.65 and 1,313.39 is: 1,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.25 : 7,516.65 = 1,313.39 : x
  2. Step 2: Convert to fraction form
    5,011.25/7,516.65 = 1,313.39/x
  3. Step 3: Cross multiply
    5,011.25x = 7,516.65 × 1,313.39
  4. Step 4: Simplify right side
    5,011.25x = 9,872,292.94
  5. Step 5: Solve for x
    x = 9,872,292.94/5,011.25
  6. Step 6: Final answer
    x = 1,970.03

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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.