Home / 7,039.93-9,663.34-6,225.40

Finding the Fourth Proportional to 7,039.93, 9,663.34 and 6,225.40

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Solution

The fourth proportional to 7,039.93, 9,663.34 and 6,225.40 is: 8,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.93 : 9,663.34 = 6,225.40 : x
  2. Step 2: Convert to fraction form
    7,039.93/9,663.34 = 6,225.40/x
  3. Step 3: Cross multiply
    7,039.93x = 9,663.34 × 6,225.40
  4. Step 4: Simplify right side
    7,039.93x = 60,158,156.84
  5. Step 5: Solve for x
    x = 60,158,156.84/7,039.93
  6. Step 6: Final answer
    x = 8,545.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.