Home / 5,655.80-8,483.70-3,031.40

Finding the Fourth Proportional to 5,655.80, 8,483.70 and 3,031.40

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Solution

The fourth proportional to 5,655.80, 8,483.70 and 3,031.40 is: 4,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.80 : 8,483.70 = 3,031.40 : x
  2. Step 2: Convert to fraction form
    5,655.80/8,483.70 = 3,031.40/x
  3. Step 3: Cross multiply
    5,655.80x = 8,483.70 × 3,031.40
  4. Step 4: Simplify right side
    5,655.80x = 25,717,488.18
  5. Step 5: Solve for x
    x = 25,717,488.18/5,655.80
  6. Step 6: Final answer
    x = 4,547.10

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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.