Home / 6,280.95-9,421.77-1,898.30

Finding the Fourth Proportional to 6,280.95, 9,421.77 and 1,898.30

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Solution

The fourth proportional to 6,280.95, 9,421.77 and 1,898.30 is: 2,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.95 : 9,421.77 = 1,898.30 : x
  2. Step 2: Convert to fraction form
    6,280.95/9,421.77 = 1,898.30/x
  3. Step 3: Cross multiply
    6,280.95x = 9,421.77 × 1,898.30
  4. Step 4: Simplify right side
    6,280.95x = 17,885,345.99
  5. Step 5: Solve for x
    x = 17,885,345.99/6,280.95
  6. Step 6: Final answer
    x = 2,847.55

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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.