Home / 5,305.98-7,322.20-2,948.07

Finding the Fourth Proportional to 5,305.98, 7,322.20 and 2,948.07

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Solution

The fourth proportional to 5,305.98, 7,322.20 and 2,948.07 is: 4,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.98 : 7,322.20 = 2,948.07 : x
  2. Step 2: Convert to fraction form
    5,305.98/7,322.20 = 2,948.07/x
  3. Step 3: Cross multiply
    5,305.98x = 7,322.20 × 2,948.07
  4. Step 4: Simplify right side
    5,305.98x = 21,586,343.41
  5. Step 5: Solve for x
    x = 21,586,343.41/5,305.98
  6. Step 6: Final answer
    x = 4,068.30

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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.