Home / 7,039.42-9,711.93-4,384.63

Finding the Fourth Proportional to 7,039.42, 9,711.93 and 4,384.63

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Solution

The fourth proportional to 7,039.42, 9,711.93 and 4,384.63 is: 6,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.42 : 9,711.93 = 4,384.63 : x
  2. Step 2: Convert to fraction form
    7,039.42/9,711.93 = 4,384.63/x
  3. Step 3: Cross multiply
    7,039.42x = 9,711.93 × 4,384.63
  4. Step 4: Simplify right side
    7,039.42x = 42,583,219.64
  5. Step 5: Solve for x
    x = 42,583,219.64/7,039.42
  6. Step 6: Final answer
    x = 6,049.25

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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.