Home / 7,015.85-10,513.74-5,152.34

Finding the Fourth Proportional to 7,015.85, 10,513.74 and 5,152.34

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Solution

The fourth proportional to 7,015.85, 10,513.74 and 5,152.34 is: 7,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.85 : 10,513.74 = 5,152.34 : x
  2. Step 2: Convert to fraction form
    7,015.85/10,513.74 = 5,152.34/x
  3. Step 3: Cross multiply
    7,015.85x = 10,513.74 × 5,152.34
  4. Step 4: Simplify right side
    7,015.85x = 54,170,363.15
  5. Step 5: Solve for x
    x = 54,170,363.15/7,015.85
  6. Step 6: Final answer
    x = 7,721.14

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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.