Home / 6,547.80-9,821.70-1,617.40

Finding the Fourth Proportional to 6,547.80, 9,821.70 and 1,617.40

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Solution

The fourth proportional to 6,547.80, 9,821.70 and 1,617.40 is: 2,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.80 : 9,821.70 = 1,617.40 : x
  2. Step 2: Convert to fraction form
    6,547.80/9,821.70 = 1,617.40/x
  3. Step 3: Cross multiply
    6,547.80x = 9,821.70 × 1,617.40
  4. Step 4: Simplify right side
    6,547.80x = 15,885,617.58
  5. Step 5: Solve for x
    x = 15,885,617.58/6,547.80
  6. Step 6: Final answer
    x = 2,426.10

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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.