Home / 7,896.20-10,896.26-4,359.40

Finding the Fourth Proportional to 7,896.20, 10,896.26 and 4,359.40

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Solution

The fourth proportional to 7,896.20, 10,896.26 and 4,359.40 is: 6,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.20 : 10,896.26 = 4,359.40 : x
  2. Step 2: Convert to fraction form
    7,896.20/10,896.26 = 4,359.40/x
  3. Step 3: Cross multiply
    7,896.20x = 10,896.26 × 4,359.40
  4. Step 4: Simplify right side
    7,896.20x = 47,501,106.81
  5. Step 5: Solve for x
    x = 47,501,106.81/7,896.20
  6. Step 6: Final answer
    x = 6,015.70

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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.