Home / 6,688.89-10,040.63-4,928.45

Finding the Fourth Proportional to 6,688.89, 10,040.63 and 4,928.45

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Solution

The fourth proportional to 6,688.89, 10,040.63 and 4,928.45 is: 7,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.89 : 10,040.63 = 4,928.45 : x
  2. Step 2: Convert to fraction form
    6,688.89/10,040.63 = 4,928.45/x
  3. Step 3: Cross multiply
    6,688.89x = 10,040.63 × 4,928.45
  4. Step 4: Simplify right side
    6,688.89x = 49,484,668.08
  5. Step 5: Solve for x
    x = 49,484,668.08/6,688.89
  6. Step 6: Final answer
    x = 7,398.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.