Home / 7,644.15-10,547.01-4,287.06

Finding the Fourth Proportional to 7,644.15, 10,547.01 and 4,287.06

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Solution

The fourth proportional to 7,644.15, 10,547.01 and 4,287.06 is: 5,915.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.15 : 10,547.01 = 4,287.06 : x
  2. Step 2: Convert to fraction form
    7,644.15/10,547.01 = 4,287.06/x
  3. Step 3: Cross multiply
    7,644.15x = 10,547.01 × 4,287.06
  4. Step 4: Simplify right side
    7,644.15x = 45,215,664.69
  5. Step 5: Solve for x
    x = 45,215,664.69/7,644.15
  6. Step 6: Final answer
    x = 5,915.07

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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.