Home / 7,688.39-10,608.80-4,330.99

Finding the Fourth Proportional to 7,688.39, 10,608.80 and 4,330.99

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Solution

The fourth proportional to 7,688.39, 10,608.80 and 4,330.99 is: 5,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.39 : 10,608.80 = 4,330.99 : x
  2. Step 2: Convert to fraction form
    7,688.39/10,608.80 = 4,330.99/x
  3. Step 3: Cross multiply
    7,688.39x = 10,608.80 × 4,330.99
  4. Step 4: Simplify right side
    7,688.39x = 45,946,606.71
  5. Step 5: Solve for x
    x = 45,946,606.71/7,688.39
  6. Step 6: Final answer
    x = 5,976.10

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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.