Home / 6,423-8,862.85-3,590.02

Finding the Fourth Proportional to 6,423, 8,862.85 and 3,590.02

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Solution

The fourth proportional to 6,423, 8,862.85 and 3,590.02 is: 4,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423 : 8,862.85 = 3,590.02 : x
  2. Step 2: Convert to fraction form
    6,423/8,862.85 = 3,590.02/x
  3. Step 3: Cross multiply
    6,423x = 8,862.85 × 3,590.02
  4. Step 4: Simplify right side
    6,423x = 31,817,808.76
  5. Step 5: Solve for x
    x = 31,817,808.76/6,423
  6. Step 6: Final answer
    x = 4,953.73

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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.