Home / 6,875.03-10,312.53-1,680.91

Finding the Fourth Proportional to 6,875.03, 10,312.53 and 1,680.91

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Solution

The fourth proportional to 6,875.03, 10,312.53 and 1,680.91 is: 2,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.03 : 10,312.53 = 1,680.91 : x
  2. Step 2: Convert to fraction form
    6,875.03/10,312.53 = 1,680.91/x
  3. Step 3: Cross multiply
    6,875.03x = 10,312.53 × 1,680.91
  4. Step 4: Simplify right side
    6,875.03x = 17,334,412.17
  5. Step 5: Solve for x
    x = 17,334,412.17/6,875.03
  6. Step 6: Final answer
    x = 2,521.36

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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.