Home / 7,643.04-10,547.29-4,285.85

Finding the Fourth Proportional to 7,643.04, 10,547.29 and 4,285.85

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Solution

The fourth proportional to 7,643.04, 10,547.29 and 4,285.85 is: 5,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.04 : 10,547.29 = 4,285.85 : x
  2. Step 2: Convert to fraction form
    7,643.04/10,547.29 = 4,285.85/x
  3. Step 3: Cross multiply
    7,643.04x = 10,547.29 × 4,285.85
  4. Step 4: Simplify right side
    7,643.04x = 45,204,102.85
  5. Step 5: Solve for x
    x = 45,204,102.85/7,643.04
  6. Step 6: Final answer
    x = 5,914.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.