Home / 7,701.36-10,631.70-4,871.22

Finding the Fourth Proportional to 7,701.36, 10,631.70 and 4,871.22

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Solution

The fourth proportional to 7,701.36, 10,631.70 and 4,871.22 is: 6,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.36 : 10,631.70 = 4,871.22 : x
  2. Step 2: Convert to fraction form
    7,701.36/10,631.70 = 4,871.22/x
  3. Step 3: Cross multiply
    7,701.36x = 10,631.70 × 4,871.22
  4. Step 4: Simplify right side
    7,701.36x = 51,789,349.67
  5. Step 5: Solve for x
    x = 51,789,349.67/7,701.36
  6. Step 6: Final answer
    x = 6,724.70

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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.