Home / 6,749.16-10,140.75-4,285.14

Finding the Fourth Proportional to 6,749.16, 10,140.75 and 4,285.14

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Solution

The fourth proportional to 6,749.16, 10,140.75 and 4,285.14 is: 6,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.16 : 10,140.75 = 4,285.14 : x
  2. Step 2: Convert to fraction form
    6,749.16/10,140.75 = 4,285.14/x
  3. Step 3: Cross multiply
    6,749.16x = 10,140.75 × 4,285.14
  4. Step 4: Simplify right side
    6,749.16x = 43,454,533.46
  5. Step 5: Solve for x
    x = 43,454,533.46/6,749.16
  6. Step 6: Final answer
    x = 6,438.51

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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.