Home / 5,386.56-7,437.60-4,343.28

Finding the Fourth Proportional to 5,386.56, 7,437.60 and 4,343.28

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Solution

The fourth proportional to 5,386.56, 7,437.60 and 4,343.28 is: 5,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.56 : 7,437.60 = 4,343.28 : x
  2. Step 2: Convert to fraction form
    5,386.56/7,437.60 = 4,343.28/x
  3. Step 3: Cross multiply
    5,386.56x = 7,437.60 × 4,343.28
  4. Step 4: Simplify right side
    5,386.56x = 32,303,579.33
  5. Step 5: Solve for x
    x = 32,303,579.33/5,386.56
  6. Step 6: Final answer
    x = 5,997.07

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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.