Home / 7,905.55-10,909.65-4,368.82

Finding the Fourth Proportional to 7,905.55, 10,909.65 and 4,368.82

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Solution

The fourth proportional to 7,905.55, 10,909.65 and 4,368.82 is: 6,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.55 : 10,909.65 = 4,368.82 : x
  2. Step 2: Convert to fraction form
    7,905.55/10,909.65 = 4,368.82/x
  3. Step 3: Cross multiply
    7,905.55x = 10,909.65 × 4,368.82
  4. Step 4: Simplify right side
    7,905.55x = 47,662,297.11
  5. Step 5: Solve for x
    x = 47,662,297.11/7,905.55
  6. Step 6: Final answer
    x = 6,028.97

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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.