Home / 7,896.20-10,898.16-4,709.69

Finding the Fourth Proportional to 7,896.20, 10,898.16 and 4,709.69

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Solution

The fourth proportional to 7,896.20, 10,898.16 and 4,709.69 is: 6,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.20 : 10,898.16 = 4,709.69 : x
  2. Step 2: Convert to fraction form
    7,896.20/10,898.16 = 4,709.69/x
  3. Step 3: Cross multiply
    7,896.20x = 10,898.16 × 4,709.69
  4. Step 4: Simplify right side
    7,896.20x = 51,326,955.17
  5. Step 5: Solve for x
    x = 51,326,955.17/7,896.20
  6. Step 6: Final answer
    x = 6,500.21

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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.