Home / 6,358.20-8,779.50-4,271.64

Finding the Fourth Proportional to 6,358.20, 8,779.50 and 4,271.64

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Solution

The fourth proportional to 6,358.20, 8,779.50 and 4,271.64 is: 5,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.20 : 8,779.50 = 4,271.64 : x
  2. Step 2: Convert to fraction form
    6,358.20/8,779.50 = 4,271.64/x
  3. Step 3: Cross multiply
    6,358.20x = 8,779.50 × 4,271.64
  4. Step 4: Simplify right side
    6,358.20x = 37,502,863.38
  5. Step 5: Solve for x
    x = 37,502,863.38/6,358.20
  6. Step 6: Final answer
    x = 5,898.35

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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.