Home / 7,312.76-10,970.79-2,315.44

Finding the Fourth Proportional to 7,312.76, 10,970.79 and 2,315.44

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Solution

The fourth proportional to 7,312.76, 10,970.79 and 2,315.44 is: 3,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.76 : 10,970.79 = 2,315.44 : x
  2. Step 2: Convert to fraction form
    7,312.76/10,970.79 = 2,315.44/x
  3. Step 3: Cross multiply
    7,312.76x = 10,970.79 × 2,315.44
  4. Step 4: Simplify right side
    7,312.76x = 25,402,179.40
  5. Step 5: Solve for x
    x = 25,402,179.40/7,312.76
  6. Step 6: Final answer
    x = 3,473.68

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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.