Home / 7,405.56-10,219.65-4,261.74

Finding the Fourth Proportional to 7,405.56, 10,219.65 and 4,261.74

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Solution

The fourth proportional to 7,405.56, 10,219.65 and 4,261.74 is: 5,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.56 : 10,219.65 = 4,261.74 : x
  2. Step 2: Convert to fraction form
    7,405.56/10,219.65 = 4,261.74/x
  3. Step 3: Cross multiply
    7,405.56x = 10,219.65 × 4,261.74
  4. Step 4: Simplify right side
    7,405.56x = 43,553,491.19
  5. Step 5: Solve for x
    x = 43,553,491.19/7,405.56
  6. Step 6: Final answer
    x = 5,881.19

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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.