Home / 7,484.65-10,328.35-4,127.29

Finding the Fourth Proportional to 7,484.65, 10,328.35 and 4,127.29

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Solution

The fourth proportional to 7,484.65, 10,328.35 and 4,127.29 is: 5,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.65 : 10,328.35 = 4,127.29 : x
  2. Step 2: Convert to fraction form
    7,484.65/10,328.35 = 4,127.29/x
  3. Step 3: Cross multiply
    7,484.65x = 10,328.35 × 4,127.29
  4. Step 4: Simplify right side
    7,484.65x = 42,628,095.67
  5. Step 5: Solve for x
    x = 42,628,095.67/7,484.65
  6. Step 6: Final answer
    x = 5,695.40

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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.