Home / 7,497.21-10,346.61-4,140

Finding the Fourth Proportional to 7,497.21, 10,346.61 and 4,140

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Solution

The fourth proportional to 7,497.21, 10,346.61 and 4,140 is: 5,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.21 : 10,346.61 = 4,140 : x
  2. Step 2: Convert to fraction form
    7,497.21/10,346.61 = 4,140/x
  3. Step 3: Cross multiply
    7,497.21x = 10,346.61 × 4,140
  4. Step 4: Simplify right side
    7,497.21x = 42,834,965.40
  5. Step 5: Solve for x
    x = 42,834,965.40/7,497.21
  6. Step 6: Final answer
    x = 5,713.45

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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.