Home / 5,356.89-7,393.47-3,588.78

Finding the Fourth Proportional to 5,356.89, 7,393.47 and 3,588.78

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Solution

The fourth proportional to 5,356.89, 7,393.47 and 3,588.78 is: 4,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.89 : 7,393.47 = 3,588.78 : x
  2. Step 2: Convert to fraction form
    5,356.89/7,393.47 = 3,588.78/x
  3. Step 3: Cross multiply
    5,356.89x = 7,393.47 × 3,588.78
  4. Step 4: Simplify right side
    5,356.89x = 26,533,537.27
  5. Step 5: Solve for x
    x = 26,533,537.27/5,356.89
  6. Step 6: Final answer
    x = 4,953.16

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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.