Home / 6,547.30-9,012.45-5,706.54

Finding the Fourth Proportional to 6,547.30, 9,012.45 and 5,706.54

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Solution

The fourth proportional to 6,547.30, 9,012.45 and 5,706.54 is: 7,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.30 : 9,012.45 = 5,706.54 : x
  2. Step 2: Convert to fraction form
    6,547.30/9,012.45 = 5,706.54/x
  3. Step 3: Cross multiply
    6,547.30x = 9,012.45 × 5,706.54
  4. Step 4: Simplify right side
    6,547.30x = 51,429,943.22
  5. Step 5: Solve for x
    x = 51,429,943.22/6,547.30
  6. Step 6: Final answer
    x = 7,855.14

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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.