Home / 7,320.70-10,973.85-6,543.10

Finding the Fourth Proportional to 7,320.70, 10,973.85 and 6,543.10

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Solution

The fourth proportional to 7,320.70, 10,973.85 and 6,543.10 is: 9,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.70 : 10,973.85 = 6,543.10 : x
  2. Step 2: Convert to fraction form
    7,320.70/10,973.85 = 6,543.10/x
  3. Step 3: Cross multiply
    7,320.70x = 10,973.85 × 6,543.10
  4. Step 4: Simplify right side
    7,320.70x = 71,802,997.94
  5. Step 5: Solve for x
    x = 71,802,997.94/7,320.70
  6. Step 6: Final answer
    x = 9,808.21

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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.