Home / 6,991.04-10,488.08-4,031.40

Finding the Fourth Proportional to 6,991.04, 10,488.08 and 4,031.40

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Solution

The fourth proportional to 6,991.04, 10,488.08 and 4,031.40 is: 6,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.04 : 10,488.08 = 4,031.40 : x
  2. Step 2: Convert to fraction form
    6,991.04/10,488.08 = 4,031.40/x
  3. Step 3: Cross multiply
    6,991.04x = 10,488.08 × 4,031.40
  4. Step 4: Simplify right side
    6,991.04x = 42,281,625.56
  5. Step 5: Solve for x
    x = 42,281,625.56/6,991.04
  6. Step 6: Final answer
    x = 6,047.98

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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.