Home / 6,530.15-9,011.61-3,545.98

Finding the Fourth Proportional to 6,530.15, 9,011.61 and 3,545.98

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Solution

The fourth proportional to 6,530.15, 9,011.61 and 3,545.98 is: 4,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.15 : 9,011.61 = 3,545.98 : x
  2. Step 2: Convert to fraction form
    6,530.15/9,011.61 = 3,545.98/x
  3. Step 3: Cross multiply
    6,530.15x = 9,011.61 × 3,545.98
  4. Step 4: Simplify right side
    6,530.15x = 31,954,988.83
  5. Step 5: Solve for x
    x = 31,954,988.83/6,530.15
  6. Step 6: Final answer
    x = 4,893.45

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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.