Home / 5,205.08-7,803.24-2,430.30

Finding the Fourth Proportional to 5,205.08, 7,803.24 and 2,430.30

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Solution

The fourth proportional to 5,205.08, 7,803.24 and 2,430.30 is: 3,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.08 : 7,803.24 = 2,430.30 : x
  2. Step 2: Convert to fraction form
    5,205.08/7,803.24 = 2,430.30/x
  3. Step 3: Cross multiply
    5,205.08x = 7,803.24 × 2,430.30
  4. Step 4: Simplify right side
    5,205.08x = 18,964,214.17
  5. Step 5: Solve for x
    x = 18,964,214.17/5,205.08
  6. Step 6: Final answer
    x = 3,643.40

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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.