Home / 9,685.10-13,364.65-5,435.58

Finding the Fourth Proportional to 9,685.10, 13,364.65 and 5,435.58

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Solution

The fourth proportional to 9,685.10, 13,364.65 and 5,435.58 is: 7,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.10 : 13,364.65 = 5,435.58 : x
  2. Step 2: Convert to fraction form
    9,685.10/13,364.65 = 5,435.58/x
  3. Step 3: Cross multiply
    9,685.10x = 13,364.65 × 5,435.58
  4. Step 4: Simplify right side
    9,685.10x = 72,644,624.25
  5. Step 5: Solve for x
    x = 72,644,624.25/9,685.10
  6. Step 6: Final answer
    x = 7,500.66

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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.