Home / 4,145.48-6,216.08-1,223.40

Finding the Fourth Proportional to 4,145.48, 6,216.08 and 1,223.40

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Solution

The fourth proportional to 4,145.48, 6,216.08 and 1,223.40 is: 1,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.48 : 6,216.08 = 1,223.40 : x
  2. Step 2: Convert to fraction form
    4,145.48/6,216.08 = 1,223.40/x
  3. Step 3: Cross multiply
    4,145.48x = 6,216.08 × 1,223.40
  4. Step 4: Simplify right side
    4,145.48x = 7,604,746.16
  5. Step 5: Solve for x
    x = 7,604,746.16/4,145.48
  6. Step 6: Final answer
    x = 1,834.47

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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.