Home / 7,114.06-9,817.56-4,130.20

Finding the Fourth Proportional to 7,114.06, 9,817.56 and 4,130.20

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Solution

The fourth proportional to 7,114.06, 9,817.56 and 4,130.20 is: 5,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.06 : 9,817.56 = 4,130.20 : x
  2. Step 2: Convert to fraction form
    7,114.06/9,817.56 = 4,130.20/x
  3. Step 3: Cross multiply
    7,114.06x = 9,817.56 × 4,130.20
  4. Step 4: Simplify right side
    7,114.06x = 40,548,486.31
  5. Step 5: Solve for x
    x = 40,548,486.31/7,114.06
  6. Step 6: Final answer
    x = 5,699.77

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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.