Home / 7,445.58-11,159.76-5,479.56

Finding the Fourth Proportional to 7,445.58, 11,159.76 and 5,479.56

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Solution

The fourth proportional to 7,445.58, 11,159.76 and 5,479.56 is: 8,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.58 : 11,159.76 = 5,479.56 : x
  2. Step 2: Convert to fraction form
    7,445.58/11,159.76 = 5,479.56/x
  3. Step 3: Cross multiply
    7,445.58x = 11,159.76 × 5,479.56
  4. Step 4: Simplify right side
    7,445.58x = 61,150,574.51
  5. Step 5: Solve for x
    x = 61,150,574.51/7,445.58
  6. Step 6: Final answer
    x = 8,213.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.