Home / 4,530.08-6,236.88-3,130.40

Finding the Fourth Proportional to 4,530.08, 6,236.88 and 3,130.40

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Solution

The fourth proportional to 4,530.08, 6,236.88 and 3,130.40 is: 4,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,530.08 : 6,236.88 = 3,130.40 : x
  2. Step 2: Convert to fraction form
    4,530.08/6,236.88 = 3,130.40/x
  3. Step 3: Cross multiply
    4,530.08x = 6,236.88 × 3,130.40
  4. Step 4: Simplify right side
    4,530.08x = 19,523,929.15
  5. Step 5: Solve for x
    x = 19,523,929.15/4,530.08
  6. Step 6: Final answer
    x = 4,309.84

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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.