Home / 5,259.74-7,258.46-2,869.76

Finding the Fourth Proportional to 5,259.74, 7,258.46 and 2,869.76

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Solution

The fourth proportional to 5,259.74, 7,258.46 and 2,869.76 is: 3,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.74 : 7,258.46 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    5,259.74/7,258.46 = 2,869.76/x
  3. Step 3: Cross multiply
    5,259.74x = 7,258.46 × 2,869.76
  4. Step 4: Simplify right side
    5,259.74x = 20,830,038.17
  5. Step 5: Solve for x
    x = 20,830,038.17/5,259.74
  6. Step 6: Final answer
    x = 3,960.28

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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.