Home / 6,688.16-10,030.56-3,177.20

Finding the Fourth Proportional to 6,688.16, 10,030.56 and 3,177.20

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Solution

The fourth proportional to 6,688.16, 10,030.56 and 3,177.20 is: 4,765.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.16 : 10,030.56 = 3,177.20 : x
  2. Step 2: Convert to fraction form
    6,688.16/10,030.56 = 3,177.20/x
  3. Step 3: Cross multiply
    6,688.16x = 10,030.56 × 3,177.20
  4. Step 4: Simplify right side
    6,688.16x = 31,869,095.23
  5. Step 5: Solve for x
    x = 31,869,095.23/6,688.16
  6. Step 6: Final answer
    x = 4,765.00

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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.