Home / 6,870.39-10,299.51-2,972.67

Finding the Fourth Proportional to 6,870.39, 10,299.51 and 2,972.67

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Solution

The fourth proportional to 6,870.39, 10,299.51 and 2,972.67 is: 4,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.39 : 10,299.51 = 2,972.67 : x
  2. Step 2: Convert to fraction form
    6,870.39/10,299.51 = 2,972.67/x
  3. Step 3: Cross multiply
    6,870.39x = 10,299.51 × 2,972.67
  4. Step 4: Simplify right side
    6,870.39x = 30,617,044.39
  5. Step 5: Solve for x
    x = 30,617,044.39/6,870.39
  6. Step 6: Final answer
    x = 4,456.38

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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.