Home / 7,259.02-10,886.40-2,580.05

Finding the Fourth Proportional to 7,259.02, 10,886.40 and 2,580.05

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Solution

The fourth proportional to 7,259.02, 10,886.40 and 2,580.05 is: 3,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.02 : 10,886.40 = 2,580.05 : x
  2. Step 2: Convert to fraction form
    7,259.02/10,886.40 = 2,580.05/x
  3. Step 3: Cross multiply
    7,259.02x = 10,886.40 × 2,580.05
  4. Step 4: Simplify right side
    7,259.02x = 28,087,483.54
  5. Step 5: Solve for x
    x = 28,087,483.54/7,259.02
  6. Step 6: Final answer
    x = 3,869.32

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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.