Home / 5,430.59-8,146.58-2,310.02

Finding the Fourth Proportional to 5,430.59, 8,146.58 and 2,310.02

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Solution

The fourth proportional to 5,430.59, 8,146.58 and 2,310.02 is: 3,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.59 : 8,146.58 = 2,310.02 : x
  2. Step 2: Convert to fraction form
    5,430.59/8,146.58 = 2,310.02/x
  3. Step 3: Cross multiply
    5,430.59x = 8,146.58 × 2,310.02
  4. Step 4: Simplify right side
    5,430.59x = 18,818,741.00
  5. Step 5: Solve for x
    x = 18,818,741.00/5,430.59
  6. Step 6: Final answer
    x = 3,465.32

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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.