Home / 4,547.80-6,816.30-2,355.40

Finding the Fourth Proportional to 4,547.80, 6,816.30 and 2,355.40

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Solution

The fourth proportional to 4,547.80, 6,816.30 and 2,355.40 is: 3,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.80 : 6,816.30 = 2,355.40 : x
  2. Step 2: Convert to fraction form
    4,547.80/6,816.30 = 2,355.40/x
  3. Step 3: Cross multiply
    4,547.80x = 6,816.30 × 2,355.40
  4. Step 4: Simplify right side
    4,547.80x = 16,055,113.02
  5. Step 5: Solve for x
    x = 16,055,113.02/4,547.80
  6. Step 6: Final answer
    x = 3,530.30

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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.