Home / 7,258.77-10,890.59-2,877.48

Finding the Fourth Proportional to 7,258.77, 10,890.59 and 2,877.48

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Solution

The fourth proportional to 7,258.77, 10,890.59 and 2,877.48 is: 4,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.77 : 10,890.59 = 2,877.48 : x
  2. Step 2: Convert to fraction form
    7,258.77/10,890.59 = 2,877.48/x
  3. Step 3: Cross multiply
    7,258.77x = 10,890.59 × 2,877.48
  4. Step 4: Simplify right side
    7,258.77x = 31,337,440.53
  5. Step 5: Solve for x
    x = 31,337,440.53/7,258.77
  6. Step 6: Final answer
    x = 4,317.18

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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.