Home / 7,343.04-10,140.96-6,288.96

Finding the Fourth Proportional to 7,343.04, 10,140.96 and 6,288.96

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Solution

The fourth proportional to 7,343.04, 10,140.96 and 6,288.96 is: 8,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.04 : 10,140.96 = 6,288.96 : x
  2. Step 2: Convert to fraction form
    7,343.04/10,140.96 = 6,288.96/x
  3. Step 3: Cross multiply
    7,343.04x = 10,140.96 × 6,288.96
  4. Step 4: Simplify right side
    7,343.04x = 63,776,091.80
  5. Step 5: Solve for x
    x = 63,776,091.80/7,343.04
  6. Step 6: Final answer
    x = 8,685.24

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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.