Home / 7,109.02-10,659.95-4,148.47

Finding the Fourth Proportional to 7,109.02, 10,659.95 and 4,148.47

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Solution

The fourth proportional to 7,109.02, 10,659.95 and 4,148.47 is: 6,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.02 : 10,659.95 = 4,148.47 : x
  2. Step 2: Convert to fraction form
    7,109.02/10,659.95 = 4,148.47/x
  3. Step 3: Cross multiply
    7,109.02x = 10,659.95 × 4,148.47
  4. Step 4: Simplify right side
    7,109.02x = 44,222,482.78
  5. Step 5: Solve for x
    x = 44,222,482.78/7,109.02
  6. Step 6: Final answer
    x = 6,220.62

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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.