Home / 7,513.83-11,271.76-3,130.26

Finding the Fourth Proportional to 7,513.83, 11,271.76 and 3,130.26

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Solution

The fourth proportional to 7,513.83, 11,271.76 and 3,130.26 is: 4,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.83 : 11,271.76 = 3,130.26 : x
  2. Step 2: Convert to fraction form
    7,513.83/11,271.76 = 3,130.26/x
  3. Step 3: Cross multiply
    7,513.83x = 11,271.76 × 3,130.26
  4. Step 4: Simplify right side
    7,513.83x = 35,283,539.46
  5. Step 5: Solve for x
    x = 35,283,539.46/7,513.83
  6. Step 6: Final answer
    x = 4,695.81

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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.