Home / 4,460.39-6,690.18-1,538.72

Finding the Fourth Proportional to 4,460.39, 6,690.18 and 1,538.72

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Solution

The fourth proportional to 4,460.39, 6,690.18 and 1,538.72 is: 2,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.39 : 6,690.18 = 1,538.72 : x
  2. Step 2: Convert to fraction form
    4,460.39/6,690.18 = 1,538.72/x
  3. Step 3: Cross multiply
    4,460.39x = 6,690.18 × 1,538.72
  4. Step 4: Simplify right side
    4,460.39x = 10,294,313.77
  5. Step 5: Solve for x
    x = 10,294,313.77/4,460.39
  6. Step 6: Final answer
    x = 2,307.94

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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.