Home / 6,547.18-9,820.68-1,616.80

Finding the Fourth Proportional to 6,547.18, 9,820.68 and 1,616.80

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Solution

The fourth proportional to 6,547.18, 9,820.68 and 1,616.80 is: 2,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.18 : 9,820.68 = 1,616.80 : x
  2. Step 2: Convert to fraction form
    6,547.18/9,820.68 = 1,616.80/x
  3. Step 3: Cross multiply
    6,547.18x = 9,820.68 × 1,616.80
  4. Step 4: Simplify right side
    6,547.18x = 15,878,075.42
  5. Step 5: Solve for x
    x = 15,878,075.42/6,547.18
  6. Step 6: Final answer
    x = 2,425.18

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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.