Home / 7,688.16-10,611.44-4,502.96

Finding the Fourth Proportional to 7,688.16, 10,611.44 and 4,502.96

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Solution

The fourth proportional to 7,688.16, 10,611.44 and 4,502.96 is: 6,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.16 : 10,611.44 = 4,502.96 : x
  2. Step 2: Convert to fraction form
    7,688.16/10,611.44 = 4,502.96/x
  3. Step 3: Cross multiply
    7,688.16x = 10,611.44 × 4,502.96
  4. Step 4: Simplify right side
    7,688.16x = 47,782,889.86
  5. Step 5: Solve for x
    x = 47,782,889.86/7,688.16
  6. Step 6: Final answer
    x = 6,215.13

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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.