Home / 8,445.89-11,653.71-5,300.66

Finding the Fourth Proportional to 8,445.89, 11,653.71 and 5,300.66

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Solution

The fourth proportional to 8,445.89, 11,653.71 and 5,300.66 is: 7,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.89 : 11,653.71 = 5,300.66 : x
  2. Step 2: Convert to fraction form
    8,445.89/11,653.71 = 5,300.66/x
  3. Step 3: Cross multiply
    8,445.89x = 11,653.71 × 5,300.66
  4. Step 4: Simplify right side
    8,445.89x = 61,772,296.18
  5. Step 5: Solve for x
    x = 61,772,296.18/8,445.89
  6. Step 6: Final answer
    x = 7,313.89

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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.