Home / 7,484.49-10,328.40-4,127.32

Finding the Fourth Proportional to 7,484.49, 10,328.40 and 4,127.32

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Solution

The fourth proportional to 7,484.49, 10,328.40 and 4,127.32 is: 5,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.49 : 10,328.40 = 4,127.32 : x
  2. Step 2: Convert to fraction form
    7,484.49/10,328.40 = 4,127.32/x
  3. Step 3: Cross multiply
    7,484.49x = 10,328.40 × 4,127.32
  4. Step 4: Simplify right side
    7,484.49x = 42,628,611.89
  5. Step 5: Solve for x
    x = 42,628,611.89/7,484.49
  6. Step 6: Final answer
    x = 5,695.59

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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.