Home / 7,062.30-9,746.43-4,078.26

Finding the Fourth Proportional to 7,062.30, 9,746.43 and 4,078.26

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Solution

The fourth proportional to 7,062.30, 9,746.43 and 4,078.26 is: 5,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.30 : 9,746.43 = 4,078.26 : x
  2. Step 2: Convert to fraction form
    7,062.30/9,746.43 = 4,078.26/x
  3. Step 3: Cross multiply
    7,062.30x = 9,746.43 × 4,078.26
  4. Step 4: Simplify right side
    7,062.30x = 39,748,475.61
  5. Step 5: Solve for x
    x = 39,748,475.61/7,062.30
  6. Step 6: Final answer
    x = 5,628.26

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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.