Home / 7,130.10-10,707.30-5,064.60

Finding the Fourth Proportional to 7,130.10, 10,707.30 and 5,064.60

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Solution

The fourth proportional to 7,130.10, 10,707.30 and 5,064.60 is: 7,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.10 : 10,707.30 = 5,064.60 : x
  2. Step 2: Convert to fraction form
    7,130.10/10,707.30 = 5,064.60/x
  3. Step 3: Cross multiply
    7,130.10x = 10,707.30 × 5,064.60
  4. Step 4: Simplify right side
    7,130.10x = 54,228,191.58
  5. Step 5: Solve for x
    x = 54,228,191.58/7,130.10
  6. Step 6: Final answer
    x = 7,605.53

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1.5x scale

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.