Home / 6,875.18-10,312.67-1,681.10

Finding the Fourth Proportional to 6,875.18, 10,312.67 and 1,681.10

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Solution

The fourth proportional to 6,875.18, 10,312.67 and 1,681.10 is: 2,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.18 : 10,312.67 = 1,681.10 : x
  2. Step 2: Convert to fraction form
    6,875.18/10,312.67 = 1,681.10/x
  3. Step 3: Cross multiply
    6,875.18x = 10,312.67 × 1,681.10
  4. Step 4: Simplify right side
    6,875.18x = 17,336,659.52
  5. Step 5: Solve for x
    x = 17,336,659.52/6,875.18
  6. Step 6: Final answer
    x = 2,521.63

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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.