Home / 5,389.09-7,434.44-3,151.06

Finding the Fourth Proportional to 5,389.09, 7,434.44 and 3,151.06

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Solution

The fourth proportional to 5,389.09, 7,434.44 and 3,151.06 is: 4,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.09 : 7,434.44 = 3,151.06 : x
  2. Step 2: Convert to fraction form
    5,389.09/7,434.44 = 3,151.06/x
  3. Step 3: Cross multiply
    5,389.09x = 7,434.44 × 3,151.06
  4. Step 4: Simplify right side
    5,389.09x = 23,426,366.51
  5. Step 5: Solve for x
    x = 23,426,366.51/5,389.09
  6. Step 6: Final answer
    x = 4,347.00

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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.