Home / 7,280.44-10,036.83-6,156.87

Finding the Fourth Proportional to 7,280.44, 10,036.83 and 6,156.87

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Solution

The fourth proportional to 7,280.44, 10,036.83 and 6,156.87 is: 8,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.44 : 10,036.83 = 6,156.87 : x
  2. Step 2: Convert to fraction form
    7,280.44/10,036.83 = 6,156.87/x
  3. Step 3: Cross multiply
    7,280.44x = 10,036.83 × 6,156.87
  4. Step 4: Simplify right side
    7,280.44x = 61,795,457.52
  5. Step 5: Solve for x
    x = 61,795,457.52/7,280.44
  6. Step 6: Final answer
    x = 8,487.87

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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.