Home / 7,547.90-11,307.12-4,942.94

Finding the Fourth Proportional to 7,547.90, 11,307.12 and 4,942.94

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Solution

The fourth proportional to 7,547.90, 11,307.12 and 4,942.94 is: 7,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.90 : 11,307.12 = 4,942.94 : x
  2. Step 2: Convert to fraction form
    7,547.90/11,307.12 = 4,942.94/x
  3. Step 3: Cross multiply
    7,547.90x = 11,307.12 × 4,942.94
  4. Step 4: Simplify right side
    7,547.90x = 55,890,415.73
  5. Step 5: Solve for x
    x = 55,890,415.73/7,547.90
  6. Step 6: Final answer
    x = 7,404.76

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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.