Home / 7,730.96-10,677.60-5,090.18

Finding the Fourth Proportional to 7,730.96, 10,677.60 and 5,090.18

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Solution

The fourth proportional to 7,730.96, 10,677.60 and 5,090.18 is: 7,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.96 : 10,677.60 = 5,090.18 : x
  2. Step 2: Convert to fraction form
    7,730.96/10,677.60 = 5,090.18/x
  3. Step 3: Cross multiply
    7,730.96x = 10,677.60 × 5,090.18
  4. Step 4: Simplify right side
    7,730.96x = 54,350,905.97
  5. Step 5: Solve for x
    x = 54,350,905.97/7,730.96
  6. Step 6: Final answer
    x = 7,030.29

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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.