Home / 4,306.15-6,458.69-1,186.40

Finding the Fourth Proportional to 4,306.15, 6,458.69 and 1,186.40

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Solution

The fourth proportional to 4,306.15, 6,458.69 and 1,186.40 is: 1,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.15 : 6,458.69 = 1,186.40 : x
  2. Step 2: Convert to fraction form
    4,306.15/6,458.69 = 1,186.40/x
  3. Step 3: Cross multiply
    4,306.15x = 6,458.69 × 1,186.40
  4. Step 4: Simplify right side
    4,306.15x = 7,662,600.03
  5. Step 5: Solve for x
    x = 7,662,600.03/4,306.15
  6. Step 6: Final answer
    x = 1,779.46

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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.