Home / 7,642.13-11,460.83-3,690.93

Finding the Fourth Proportional to 7,642.13, 11,460.83 and 3,690.93

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Solution

The fourth proportional to 7,642.13, 11,460.83 and 3,690.93 is: 5,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.13 : 11,460.83 = 3,690.93 : x
  2. Step 2: Convert to fraction form
    7,642.13/11,460.83 = 3,690.93/x
  3. Step 3: Cross multiply
    7,642.13x = 11,460.83 × 3,690.93
  4. Step 4: Simplify right side
    7,642.13x = 42,301,159.64
  5. Step 5: Solve for x
    x = 42,301,159.64/7,642.13
  6. Step 6: Final answer
    x = 5,535.26

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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.