Home / 4,547.23-6,820.63-1,878.49

Finding the Fourth Proportional to 4,547.23, 6,820.63 and 1,878.49

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Solution

The fourth proportional to 4,547.23, 6,820.63 and 1,878.49 is: 2,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.23 : 6,820.63 = 1,878.49 : x
  2. Step 2: Convert to fraction form
    4,547.23/6,820.63 = 1,878.49/x
  3. Step 3: Cross multiply
    4,547.23x = 6,820.63 × 1,878.49
  4. Step 4: Simplify right side
    4,547.23x = 12,812,485.25
  5. Step 5: Solve for x
    x = 12,812,485.25/4,547.23
  6. Step 6: Final answer
    x = 2,817.65

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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.