Home / 6,902.30-10,352.28-1,970.81

Finding the Fourth Proportional to 6,902.30, 10,352.28 and 1,970.81

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Solution

The fourth proportional to 6,902.30, 10,352.28 and 1,970.81 is: 2,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.30 : 10,352.28 = 1,970.81 : x
  2. Step 2: Convert to fraction form
    6,902.30/10,352.28 = 1,970.81/x
  3. Step 3: Cross multiply
    6,902.30x = 10,352.28 × 1,970.81
  4. Step 4: Simplify right side
    6,902.30x = 20,402,376.95
  5. Step 5: Solve for x
    x = 20,402,376.95/6,902.30
  6. Step 6: Final answer
    x = 2,955.88

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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.