Home / 7,436.71-10,236.90-6,427.95

Finding the Fourth Proportional to 7,436.71, 10,236.90 and 6,427.95

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Solution

The fourth proportional to 7,436.71, 10,236.90 and 6,427.95 is: 8,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.71 : 10,236.90 = 6,427.95 : x
  2. Step 2: Convert to fraction form
    7,436.71/10,236.90 = 6,427.95/x
  3. Step 3: Cross multiply
    7,436.71x = 10,236.90 × 6,427.95
  4. Step 4: Simplify right side
    7,436.71x = 65,802,281.36
  5. Step 5: Solve for x
    x = 65,802,281.36/7,436.71
  6. Step 6: Final answer
    x = 8,848.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.