Home / 7,848.36-10,830.40-4,706.28

Finding the Fourth Proportional to 7,848.36, 10,830.40 and 4,706.28

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Solution

The fourth proportional to 7,848.36, 10,830.40 and 4,706.28 is: 6,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.36 : 10,830.40 = 4,706.28 : x
  2. Step 2: Convert to fraction form
    7,848.36/10,830.40 = 4,706.28/x
  3. Step 3: Cross multiply
    7,848.36x = 10,830.40 × 4,706.28
  4. Step 4: Simplify right side
    7,848.36x = 50,970,894.91
  5. Step 5: Solve for x
    x = 50,970,894.91/7,848.36
  6. Step 6: Final answer
    x = 6,494.46

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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.