Home / 8,388.12-11,574.81-5,030.31

Finding the Fourth Proportional to 8,388.12, 11,574.81 and 5,030.31

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Solution

The fourth proportional to 8,388.12, 11,574.81 and 5,030.31 is: 6,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.12 : 11,574.81 = 5,030.31 : x
  2. Step 2: Convert to fraction form
    8,388.12/11,574.81 = 5,030.31/x
  3. Step 3: Cross multiply
    8,388.12x = 11,574.81 × 5,030.31
  4. Step 4: Simplify right side
    8,388.12x = 58,224,882.49
  5. Step 5: Solve for x
    x = 58,224,882.49/8,388.12
  6. Step 6: Final answer
    x = 6,941.35

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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.