Home / 7,031.44-10,547.18-2,647.72

Finding the Fourth Proportional to 7,031.44, 10,547.18 and 2,647.72

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Solution

The fourth proportional to 7,031.44, 10,547.18 and 2,647.72 is: 3,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.44 : 10,547.18 = 2,647.72 : x
  2. Step 2: Convert to fraction form
    7,031.44/10,547.18 = 2,647.72/x
  3. Step 3: Cross multiply
    7,031.44x = 10,547.18 × 2,647.72
  4. Step 4: Simplify right side
    7,031.44x = 27,925,913.46
  5. Step 5: Solve for x
    x = 27,925,913.46/7,031.44
  6. Step 6: Final answer
    x = 3,971.58

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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.