Home / 7,219.02-9,964.89-4,237.35

Finding the Fourth Proportional to 7,219.02, 9,964.89 and 4,237.35

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Solution

The fourth proportional to 7,219.02, 9,964.89 and 4,237.35 is: 5,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.02 : 9,964.89 = 4,237.35 : x
  2. Step 2: Convert to fraction form
    7,219.02/9,964.89 = 4,237.35/x
  3. Step 3: Cross multiply
    7,219.02x = 9,964.89 × 4,237.35
  4. Step 4: Simplify right side
    7,219.02x = 42,224,726.64
  5. Step 5: Solve for x
    x = 42,224,726.64/7,219.02
  6. Step 6: Final answer
    x = 5,849.09

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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.