Home / 5,031.63-7,547.45-2,109.94

Finding the Fourth Proportional to 5,031.63, 7,547.45 and 2,109.94

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Solution

The fourth proportional to 5,031.63, 7,547.45 and 2,109.94 is: 3,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.63 : 7,547.45 = 2,109.94 : x
  2. Step 2: Convert to fraction form
    5,031.63/7,547.45 = 2,109.94/x
  3. Step 3: Cross multiply
    5,031.63x = 7,547.45 × 2,109.94
  4. Step 4: Simplify right side
    5,031.63x = 15,924,666.65
  5. Step 5: Solve for x
    x = 15,924,666.65/5,031.63
  6. Step 6: Final answer
    x = 3,164.91

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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.