Home / 9,465.05-13,060.88-5,486.40

Finding the Fourth Proportional to 9,465.05, 13,060.88 and 5,486.40

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Solution

The fourth proportional to 9,465.05, 13,060.88 and 5,486.40 is: 7,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.05 : 13,060.88 = 5,486.40 : x
  2. Step 2: Convert to fraction form
    9,465.05/13,060.88 = 5,486.40/x
  3. Step 3: Cross multiply
    9,465.05x = 13,060.88 × 5,486.40
  4. Step 4: Simplify right side
    9,465.05x = 71,657,205.17
  5. Step 5: Solve for x
    x = 71,657,205.17/9,465.05
  6. Step 6: Final answer
    x = 7,570.71

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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.